HYVE Technologies USED HYVE Technologies Magazine Extension Base Pad, Smith & Wesson M&P Shield .45, 1-Round, Red, Small, S45-E1-2, EDEMO1, Condition Parts Only/Salvage, Defective

45 Magazine Extension Base Pad. These Magazine Extensions by HYVE Technologies are built to fit specific Smith & Wesson models increasing the overall length of the magazine extension tube to increase draw weight and so that the weapon is more balanced for the shooter.